Bonjour,
Calculer l’expression 4(10-6x) lorsque
a) x=4,5.
4 (10 - 6x) = 4 (10 - 6 * 4,5) = 4 (10 - 27) = 4 * - 17 = - 68
b) x= -3.
4 (10 - 6x) = 4 (10 - 6 * - 3) = 4 (10 + 18) = 4 * 28 = 112
c) x=2/3
4 (10 - 6x) = 4 (10 - 6 * 2/3) = 4 (10 - 12/3) = 4 (10 - 4) = 4 * 6 = 24.